| Message ID | 1701970793-6865-2-git-send-email-si-wei.liu@oracle.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | vdpa-net: improve migration downtime through descriptor ASID and persistent IOTLB | expand |
On Thu, Dec 7, 2023 at 7:50 PM Si-Wei Liu <si-wei.liu@oracle.com> wrote: > > Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com> This should be updated from scripts/update-linux-headers.sh. > --- > include/standard-headers/linux/vhost_types.h | 13 +++++++++++++ > linux-headers/linux/vhost.h | 9 +++++++++ > 2 files changed, 22 insertions(+) > > diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h > index 5ad07e1..c39199b 100644 > --- a/include/standard-headers/linux/vhost_types.h > +++ b/include/standard-headers/linux/vhost_types.h > @@ -185,5 +185,18 @@ struct vhost_vdpa_iova_range { > * DRIVER_OK > */ > #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 > +/* Device can be resumed */ > +#define VHOST_BACKEND_F_RESUME 0x5 > +/* Device supports the driver enabling virtqueues both before and after > + * DRIVER_OK > + */ > +#define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 > +/* Device may expose the virtqueue's descriptor area, driver area and > + * device area to a different group for ASID binding than where its > + * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID. > + */ > +#define VHOST_BACKEND_F_DESC_ASID 0x7 > +/* IOTLB don't flush memory mapping across device reset */ > +#define VHOST_BACKEND_F_IOTLB_PERSIST 0x8 > > #endif > diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h > index f5c48b6..c61c687 100644 > --- a/linux-headers/linux/vhost.h > +++ b/linux-headers/linux/vhost.h > @@ -219,4 +219,13 @@ > */ > #define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E) > > +/* Get the dedicated group for the descriptor table of a virtqueue: > + * read index, write group in num. > + * The virtqueue index is stored in the index field of vhost_vring_state. > + * The group id for the descriptor table of this specific virtqueue > + * is returned via num field of vhost_vring_state. > + */ > +#define VHOST_VDPA_GET_VRING_DESC_GROUP _IOWR(VHOST_VIRTIO, 0x7F, \ > + struct vhost_vring_state) > + > #endif > -- > 1.8.3.1 >
On Fri, Dec 8, 2023 at 2:50 AM Si-Wei Liu <si-wei.liu@oracle.com> wrote: > > Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com> It's better to document which version did this commit sync to. Thanks > --- > include/standard-headers/linux/vhost_types.h | 13 +++++++++++++ > linux-headers/linux/vhost.h | 9 +++++++++ > 2 files changed, 22 insertions(+) > > diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h > index 5ad07e1..c39199b 100644 > --- a/include/standard-headers/linux/vhost_types.h > +++ b/include/standard-headers/linux/vhost_types.h > @@ -185,5 +185,18 @@ struct vhost_vdpa_iova_range { > * DRIVER_OK > */ > #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 > +/* Device can be resumed */ > +#define VHOST_BACKEND_F_RESUME 0x5 > +/* Device supports the driver enabling virtqueues both before and after > + * DRIVER_OK > + */ > +#define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 > +/* Device may expose the virtqueue's descriptor area, driver area and > + * device area to a different group for ASID binding than where its > + * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID. > + */ > +#define VHOST_BACKEND_F_DESC_ASID 0x7 > +/* IOTLB don't flush memory mapping across device reset */ > +#define VHOST_BACKEND_F_IOTLB_PERSIST 0x8 > > #endif > diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h > index f5c48b6..c61c687 100644 > --- a/linux-headers/linux/vhost.h > +++ b/linux-headers/linux/vhost.h > @@ -219,4 +219,13 @@ > */ > #define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E) > > +/* Get the dedicated group for the descriptor table of a virtqueue: > + * read index, write group in num. > + * The virtqueue index is stored in the index field of vhost_vring_state. > + * The group id for the descriptor table of this specific virtqueue > + * is returned via num field of vhost_vring_state. > + */ > +#define VHOST_VDPA_GET_VRING_DESC_GROUP _IOWR(VHOST_VIRTIO, 0x7F, \ > + struct vhost_vring_state) > + > #endif > -- > 1.8.3.1 >
diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h index 5ad07e1..c39199b 100644 --- a/include/standard-headers/linux/vhost_types.h +++ b/include/standard-headers/linux/vhost_types.h @@ -185,5 +185,18 @@ struct vhost_vdpa_iova_range { * DRIVER_OK */ #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 +/* Device can be resumed */ +#define VHOST_BACKEND_F_RESUME 0x5 +/* Device supports the driver enabling virtqueues both before and after + * DRIVER_OK + */ +#define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 +/* Device may expose the virtqueue's descriptor area, driver area and + * device area to a different group for ASID binding than where its + * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID. + */ +#define VHOST_BACKEND_F_DESC_ASID 0x7 +/* IOTLB don't flush memory mapping across device reset */ +#define VHOST_BACKEND_F_IOTLB_PERSIST 0x8 #endif diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h index f5c48b6..c61c687 100644 --- a/linux-headers/linux/vhost.h +++ b/linux-headers/linux/vhost.h @@ -219,4 +219,13 @@ */ #define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E) +/* Get the dedicated group for the descriptor table of a virtqueue: + * read index, write group in num. + * The virtqueue index is stored in the index field of vhost_vring_state. + * The group id for the descriptor table of this specific virtqueue + * is returned via num field of vhost_vring_state. + */ +#define VHOST_VDPA_GET_VRING_DESC_GROUP _IOWR(VHOST_VIRTIO, 0x7F, \ + struct vhost_vring_state) + #endif
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com> --- include/standard-headers/linux/vhost_types.h | 13 +++++++++++++ linux-headers/linux/vhost.h | 9 +++++++++ 2 files changed, 22 insertions(+)